Lenovo ThinkSystem SR670 V2 - Page 142

Figure 79. Disconnecting the M.2 backplane cables from system board
Step 3. Grasp the air baffle and carefully lift it out of the chassis.
Attention: For proper cooling and airflow, reinstall the air baffle before you turn on the server.
Operating the server with the air baffle removed might damage server components.
Figure 80. Removing the air baffle
Step 4. Remove the M.2 backplane from the air baffle. See “Remove the M.2 backplane” on page 166.
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ThinkSystem SR670 V2 Maintenance Manual